sjoberg



. 2SheetsSheet 1;

(No Model.)

G. J. A. SJOBERG. ANTI FRICTION BEARING.

No. 462,744. Patented Nov. 10,1891.

INVENTOR ccizaqybbey W 5 BY 1 z M. 4 I .96 ATTORNEY WITNESSES I.

(No Model.) 2 Sheets-Sheet 2-.

0. J. A. SJOBERG, ANTI FRICTION BEARING.

No. 462,744. Patented Nov. 10,1891.

6' MW M W 7 L3 v WITNESSES: .INVENTOR 6.0314 ozery ATTORNEY NITED STATES PATENT OFFICE.

CARL J. A. SJOBERG, OF BROOKLYN, NElV YORK, ASSTGUOR TO MATHILDE C. SJOBERG, OF SAME PLACE.

ANTI-FRICTION BEARING.

SPECIFICATION forming part of Letters Patent No. 462,744,'dated November 10, 1891.

Application filed March 12, 1891. serial No. 384,726. (No model.)

To all whom it may concern: the balls. The resistance afforded by the sta- Be it known that I, CARL J. A. SJOBERG, a tionary bearing itself is comparatively small, citizen of the United States, residing at Brookand if the friction were not so great between lyn, in the county of Kings and State of New the balls themselves the latter would form a 55 York, have invented certain new and useful far better bearing. It is the aim of my in- Improvementsin Anti-Friction Bearings;and vention to overcome this disadvantage and I do hereby declare the following to be a full, to relieve the bearing-rolls of any intermeclear, and exact description of the invention, diate friction. suchas will enable others skilled in the art to Referring to Fig. 1, A is the vehicle-hub, which it appertains to make and use the same. and B the axle. Around the axle is a sleeve My invention relates to certain new and 1, having collars 2 rigid therewith. 3 are useful improvements in anti-friction bearings rolls around the peripheries of said collars for journals and journal-boxes, and has for and having flanged sides 4, which embrace I its object to reduce the friction to a minithe collars and bear against the inner wall of I 5 mum, and, furthermore, to provide devices the hub, whereby a rotary bearing is afforded for carrying out my invention which shall be between said hub and collars. These rolls readily assembled in operative position. are perfectly free to revolve axially and also In the accompanying drawings, in Figures to travel around the collars. Between these 1, 2, and 3, I have shown my invention aprolls and within the flanged sides are small 2o plied in connection with the hub and axle of rolls 5, loosely mounted on spindles 6, which a vehicle, while in Figs. 4 and 5 I have shown latter are supported within disks 7 at the an ordinary machine-bearing equipped with ends of the hub. These disks are loosely asmy improvement. senibled around the axle B and have no con Fig. 1 is a sectional elevation of a vehicle tact with the hub. The small rolls 5 have no '7 5 2 5 hub and axle provided with my improvement; contact with any of the parts except the rolls Fig. 2, a section at the line w a of Fig. 3; Fig. 3, and the main function of said rolls 5 is to 3, a view similar to Fig. 1, but showing all the separate the rolls 3 without inter-posing any parts except the hub in elevation; Fig. 4, a frictional resistance. sectional elevation of an ordinary journal- 8 is a screw-cap which closes the outer end 8o 0 box and shaft equipped with my improve of the hub, and 9 the usual nut on the outer ment; Fig. 5, a vertical cross-section through end of the axle, whereby the latter is propsaid box. erly secured.

Similar letters and numerals denote like The hub may be partly filled with oil in parts in the several figures of the drawings. order to afford a suitable lubrication.

5 Prior to my invention it has been common Thecircumferences of therolls 3 and flanged to use ball-bearings for shafts and axles; but, sides 4: are such with respect to the circumthe balls being in contact with each other and ferences of the bearings on the journal and with the stationary bearing, the rotation imjournal-box that said rolls and sides make parted to said balls by the revolving bearing the same number of revolutions in complet- 0 is opposed by the action of the balls on each ing the circuit of said journal and box, and other and also by the resistance afforded by therefore there is no drag whatever on the the stationary bearing; also, the length of part of the rolls. In other words, the rolls 3 the circumference of the journal being less have two diameters-one for the journal and than that of the circumference of the journalthe other for the journal-box. It will thus 5 45 box and the balls being of uniform size, it be seen that my invention preserves all the follows that the outer circumference of the advantages of a ball-bearing and does away balls will have to travel throughout a longer with the disadvantages thereof, for there is circuit than the inner circumferences,'the reno friction whatever between the rolls themsult being that the .balls will drag on the selves. I00 50 journal and cause great friction. To this fact My invention may be applied in the inis due the frequent grinding and breaking of stance of any bearing, and it is immaterial whether the collars 2 are rigid or loose on the shaft or axle. In Fig. 1 the sleeve is loose on the axle and the collars tight on the sleeve, because, the hub being a closed hearing, it would be impossible to apply my improvement, without first assembling the various parts and then introducing them around the axle within the hub. A machine-bearing is, on the other hand, open, and I prefer to have the collar rigid on the shaft.

In the construction shown at Fig. 4 a single collar is shown and one series of rolls 3 and tion, with the journal-box and the journal, of the collars 2 around said journal, rolls 3 around said collars and having flanged sides which embrace the latter, and rolls 5, interposed between the rolls 3 Within said flanged sides and having peripheral contact only with said rolls 3, substantially as shown and .described.

3. In an anti-friction bearing, the combina tion, with the journal and journal-box, of a series of rolls around said journal and having different diameters to afford bearings against the journal and journal-box, whereby said rolls will complete the circuit of the journal-box and journal with no drag on the latter, and a second series of rolls between the individual rolls of the first series and having no contact except with the latter, substantially as set forth.

In testimony whereof I affix my signature in presence 'ot two witnesses.

CARL .I. A: SJOBERG.

IVitnesses:

F. WV. SMITH, J r., CHAS. E. SMITH. 

